CVE-2026-46440

Critical

Description

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, the checkBasicAuth endpoint validates credentials in plaintext without rate limiting and with direct comparison. This issue has been patched in version 3.1.2.

SeverityCritical
CVSS9.1
Exploit probability—
ProductFlowise
PublishedJun 8, 2026
First seenJun 8, 2026
Weakness typeCWE-522CWE-522

How to fix

Update
  • flowiseai flowise3.1.2 or later
  • flowise3.1.2 or later

Affected products

ProductAffected versionsFixed in
flowiseai flowisev < 3.1.23.1.2
flowisenpmv < 3.1.23.1.2

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CVE-2026-46440 · Flowise · Dark Radar